US Tech Solutions · 6 days ago
Network Security Engineer
United States
Full-time
Remote
Mid Level
$75/hr - $75/hrUS Tech Solutions is a global staff augmentation firm seeking experienced Network Security Engineers to join a specialized OT Security team. This role focuses on enhancing cybersecurity across multiple Operational Technology sites by implementing robust security controls aligned with IEC 62443 and NIST standards.
Information Technology
Hiring Manager
Mohammad A.
Responsibilities
Travel to multiple OT sites across the U.S. to perform hands-on security implementations
Implement and configure Cisco Firepower appliances (transparent and routed modes) to achieve OT network segmentation and system isolation
Replace unmanaged OT switches identified during site walk-throughs with Meraki switches and configure them for logical VLAN segmentation
Configure and troubleshoot OT traffic flows to ensure secure and efficient communication across segmented networks
Assist with rack-and-stack activities, supporting Client field services personnel during hardware deployment
In some cases, assist with the replacement of Access Points (Client) as part of site upgrades
Collaborate with site personnel and internal teams to ensure smooth deployment and minimal operational disruption
Document configurations, site findings, and implementation details in technical reports
Validate failover using SD-WAN and Cisco Firepower
Qualification
Required
Strong hands-on experience with Cisco Firepower appliances (transparent and routed modes)
Strong hands-on experience with Meraki switches for VLAN segmentation
Strong hands-on experience with VeloCloud SD-WAN integration
Familiarity with IEC 62443 and NIST Cybersecurity Framework for OT environments
Experience in OT environments such as manufacturing, utilities, or critical infrastructure
Ability to travel extensively across the U.S. (up to 90%)
Excellent troubleshooting, documentation, and communication skills
Ability to work independently and as part of a distributed team
Preferred
Relevant certifications: CISSP, GICSP, Cisco Security, or ISA/IEC 62443
Experience with wireless infrastructure and AP deployments
Familiarity with physical security controls in industrial environments
Company
US Tech Solutions
US Tech Solutions counted among the largest yet the fastest growing staffing firm; all achieved organically.
Founded in 2000
1001-5000 employees
H1B Sponsorship
US Tech Solutions has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (9)
2023 (13)
2022 (24)
2021 (18)
2020 (14)
Funding
Current Stage
Late StageLeadership Team
Manoj Agarwal
Chief Executive Officer
Recent News
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2025-05-17
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